Function Stack

docs/app/js/sanddance-app.js:130146–130148

* Stack layout for visualization elements. * @constructor * @param {object} params - The parameters for this operator. * @param {function(object): *} params.field - The value field to stack. * @param {Array } [params.groupby] - An array of accessors to groupby. * @param {fun

(params)

 * @param {function(object,object): number} [params.sort] - A comparator for stack sorting.
 * @param {string} [offset='zero'] - Stack baseline offset. One of 'zero', 'center', 'normalize'.
 */ function Stack(params) {
    (0, _vegaDataflow.Transform).call(this, null, params);
}
Stack.Definition = {
    "type": "Stack",
    "metadata": {